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Wayne52

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  1. The reason for this type of paint failure is due to the UV attacking the primer on the car. Most car manufacturers use Epoxy based primers on their cars particularly back in late 2000's. The reason was very good adhesion to the electrophoretic coating and good resistance water blistering. The downside is very poor UV resistance leading to chalking of the surface. If the colour base coat is applied at too low a film thickness or has poor UV opaqueness then some of the UV can penetrate through to the primer causing chalking and delamination of the colour coat and clear topcoats. Mostly the failures are on the horizontal surfaces ie bonnet, roof and boot they get the most UV. This can take years to fully show up. There several reasons for the failure; the application at the factory of the white colour coat may be too low and this could have happened to a large number of cars over a period of time hence the world wide spread of the problem. A batch of the colour coat may have been manufactured out of specification by Toyota's paint supplier also. You are really in the hands of Toyota Australia and perhaps the ACCC. The paint work on the car may be considered not fit for purpose and the ACCC may have a number of complaints already. Best bet is firstly speak to a senior manager at Toyota Australia and then ACCC. Do not be fooled into getting only the failing sections done as it is very likely that the vertical panels will fail also. The best solution would be to completely strip the car to bare metal and repaint with a 2 pack paint primer and topcoat system. For the Prado it is likely that the cost will be around $10,000.
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